Nugent criteria

Nugent criteria

The use of gram stain to confirm the diagnosis of bacterial vaginosis.
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Schwebke et al (41) compared Amsel's clinical criteria with Nugent's criteria and showed that the Nugent criteria had a higher sensitivity of 89% and Amsel's criteria had a higher specificity of 94%.
Their symptoms were assessed clinically by Amsel criteria; bacterial vaginosis was confirmed with Gram stain of vaginal fluid and Nugent criteria.
Vaginal flora was evaluated by Gram stain according to Nugent criteria, and BV was defined as a Nugent score > 7, with severe BV having a Nugent score > 9 and vaginal pH > 5.
Using the Nugent criteria, women who were diagnosed with BV received a 6-day course of intravaginal clindamycin 2% cream.
In all, 96 women without BV by Nugent criteria were enrolled into a prospective, longitudinal study.
Additionally, the sample had the largest group of sexually inexperienced women ever evaluated for bacterial vaginosis with the Nugent criteria.
The diagnostic criteria in the present study were gram staining and Nugent criteria.
Thus, Nugent criteria is supposed to be ideal in diagnosing BV in the laboratory.